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Heavy Duty Needle Roller Bearings (Machined) NA4909-RSR-XL

Heavy Duty Needle Roller Bearings (Machined) NA4909-RSR-XL

The NA4909-RSR-XL is a heavy-duty needle roller bearing with a 45mm bore and 68mm outer diameter, crafted from sturdy steel for long-lasting performance. It handles radial loads up to 9675 lbf and operates smoothly at speeds up to 5200 RPM.
Its single-seal design helps keep contaminants out while maintaining easy access for lubrication. The steel cage ensures durability, making it suitable for high-load applications.
This bearing is press-fit mounted, ensuring a secure installation. It works well in temperatures from -20°C to 110°C, ideal for industrial machinery or automotive uses.
Weighing 290g, it’s robust yet manageable. Compliant with RoHS standards, it’s a reliable choice for replacements, especially as it’s interchangeable with INA bearings.

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Product Parameters

  • Part Number NA4909-RSR-XL
  • Brand TFL
  • Interchangeable brand INA
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Needle
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Single Seal
  • Inner Ring Yes
  • Series With Inner Ring
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 23 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Steel
  • Cage Material Steel
  • Roller Material Steel
  • Dynamic Radial Load 9675 lbf
  • Static Radial Load 13275 lbf
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range -20 to 110 °C
  • RoHS Compliant
  • Max Speed 5200 rpm
  • Weight 290 g
Heavy Duty Needle Roller Bearings (Machined) NA4909-RSR-XL dimension drawing
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Features

Performance Features of NA4909-RSR-XL Bearing
NA4909-RSR-XL Bearing is built with steel rings and rollers, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 9675 lbf, making it suitable for demanding industrial applications.
The single seal design protects NA4909-RSR-XL Bearing from contaminants, ensuring reliable operation in harsh environments.
With a maximum speed of 5200 rpm, it maintains performance while handling high rotational forces.
NA4909-RSR-XL Bearing’s press-fit shaft mount simplifies installation, reducing downtime during maintenance.
The steel cage keeps the needle rollers aligned, promoting smooth operation and extended service life.
Operating in temperatures from -20 to 110°C, NA4909-RSR-XL Bearing performs reliably in various conditions.
Its robust construction makes it a durable choice for heavy-duty machinery and equipment.

Application

Industrial Uses of NA4909-RSR-XL Bearing
NA4909-RSR-XL Bearing is commonly used in heavy machinery like construction equipment and agricultural tools, where its robust design handles high radial loads effortlessly. The single seal helps keep contaminants out, extending its service life in dusty environments.
What Makes NA4909-RSR-XL Bearing a Preferred Choice?
In automotive applications, NA4909-RSR-XL Bearing fits well in gearboxes and drivetrains, offering reliable performance under constant stress. Its press-fit design ensures a secure mount, reducing the risk of slippage during operation.
Built for Heavy-Duty Use: NA4909-RSR-XL Bearing
For automation systems, NA4909-RSR-XL Bearing supports robotic arms and conveyor belts, where precision and durability are key. The steel construction provides excellent resistance to wear, even in high-speed scenarios.
Medical vs Industrial: Where NA4909-RSR-XL Bearing Excels
While not typically used in medical devices, NA4909-RSR-XL Bearing shines in industrial settings like printing presses and packaging machines. Its high dynamic load capacity makes it ideal for repetitive, high-stress tasks.

Q&A

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